What kit # is it....or which one (#) did you order?

#58354 is just a kit. ($150 approx.)
#57756 is the RTR with radio and ESC. ($250 approx.)

I don't know what you paid for the kit, but possibly The Frog was packaged with the wrong box. I also seen on eBay sellers selling "#58354 with ESC" in the title for $134 but the pictures look like it is just a kit with no speed control. Then on the other hand I see a seller picture a TEU 101-BK ESC with the #58354 kit. If you got it on eBay or anywhere else, I would say something to someone if the title says ESC included.

The Frog was my first hobby grade RC back in the day. If you plan on running the pad jumper, there are plenty of cheap ESC to "plop" on in there. But I seen in your post you say "shelf queen". I hope you get the issue resolved, even if it just sits there. Heck, for $139 The Frog with a ESC, I would go out and get a second one to bash around the house.